122201333021 has 4 divisors (see below), whose sum is σ = 123093313692. Its totient is φ = 121309352352.

The previous prime is 122201332987. The next prime is 122201333039. The reversal of 122201333021 is 120333102221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58619188996 + 63582144025 = 242114^2 + 252155^2 .

It is a cyclic number.

It is not a de Polignac number, because 122201333021 - 2¹⁸ = 122201070877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122201332984 and 122201333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201333621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445990130 + ... + 445990403.

It is an arithmetic number, because the mean of its divisors is an integer number (30773328423).

Almost surely, 2^122201333021 is an apocalyptic number.

It is an amenable number.

122201333021 is a deficient number, since it is larger than the sum of its proper divisors (891980671).

122201333021 is an equidigital number, since it uses as much as digits as its factorization.

122201333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891980670.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122201333021 its reverse (120333102221), we get a palindrome (242534435242).

The spelling of 122201333021 in words is "one hundred twenty-two billion, two hundred one million, three hundred thirty-three thousand, twenty-one".